Home / 268,620,585.57-403,013,110.25-137,555,659.94

Finding the Fourth Proportional to 268,620,585.57, 403,013,110.25 and 137,555,659.94

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Solution

The fourth proportional to 268,620,585.57, 403,013,110.25 and 137,555,659.94 is: 206,375,599.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,620,585.57 : 403,013,110.25 = 137,555,659.94 : x
  2. Step 2: Convert to fraction form
    268,620,585.57/403,013,110.25 = 137,555,659.94/x
  3. Step 3: Cross multiply
    268,620,585.57x = 403,013,110.25 × 137,555,659.94
  4. Step 4: Simplify right side
    268,620,585.57x = 55,436,734,344,910,728
  5. Step 5: Solve for x
    x = 55,436,734,344,910,728/268,620,585.57
  6. Step 6: Final answer
    x = 206,375,599.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.